package com.source.coupon.entity;

import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.source.coupon.constant.CouponCategory;
import com.source.coupon.constant.DistributeTarget;
import com.source.coupon.constant.ProductLine;
import com.source.coupon.converter.CouponCategoryConverter;
import com.source.coupon.converter.DistributeTargetConverter;
import com.source.coupon.converter.ProductLineConverter;
import com.source.coupon.converter.RuleConverter;
import com.source.coupon.serialization.CouponTemplateSerialize;
import com.source.coupon.vo.TemplateRule;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 描述: 优惠券模板实体类定义: 基础属性 + 规则属性
 *
 * @author li
 * @date 2019/11/11
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Entity
@EntityListeners(AuditingEntityListener.class)
@Table(name = "coupon_template")
@JsonSerialize(using = CouponTemplateSerialize.class)
public class CouponTemplate implements Serializable {

    /**
     * 自增主键
     */
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id",nullable = false)
    private Integer id;
    /**
     * 是否是可用状态
     */
    @Column(name = "available",nullable = false)
    private Boolean available;
    /**
     * 是否过期
     */
    @Column(name = "expired",nullable = false)
    private Boolean expired;
    /**
     * 优惠券名称
     */
    @Column(name = "name",nullable = false)
    private String name;
    /**
     * 优惠券logo
     */
    @Column(name = "logo",nullable = false)
    private String logo;
    /**
     * 优惠券描述
     */
    @Column(name = "intro",nullable = false)
    private String desc;
    /**
     * 优惠券分类
     */
    @Column(name = "category",nullable = false)
    @Convert(converter = CouponCategoryConverter.class)
    private CouponCategory category;
    /**
     * 产品线
     */
    @Column(name = "product_line",nullable = false)
    @Convert(converter = ProductLineConverter.class)
    private ProductLine productLine;
    /**
     * 优惠券总数
     */
    @Column(name = "coupon_count",nullable = false)
    private Integer count;
    /**
     * 创建时间
     */
    @CreatedDate
    @Column(name = "create_time",nullable = false)
    private Date createTime;
    /**
     * 创建用户
     */
    @Column(name = "user_id",nullable = false)
    private Long userId;
    /**
     * 优惠券模板的编码
     */
    @Column(name = "template_key",nullable = false)
    private String key;
    /**
     * 目标用户
     */
    @Column(name = "target",nullable = false)
    @Convert(converter = DistributeTargetConverter.class)
    private DistributeTarget target;
    /**
     * 优惠券规则
     */
    @Column(name = "rule",nullable = false)
    @Convert(converter = RuleConverter.class)
    private TemplateRule rule;

    public CouponTemplate(String name, String logo, String desc, String category,
                          Integer productLine, Integer count, Long userId,
                          Integer target, TemplateRule rule) {
        this.available = false;
        this.expired = false;
        this.name = name;
        this.logo = logo;
        this.desc = desc;
        this.category = CouponCategory.of(category);
        this.productLine = ProductLine.of(productLine);
        this.count = count;
        this.userId = userId;
        //优惠券唯一编码 = 4位(产品线和类型) + 8位(日期) + 4位(id 扩充为4位)
        this.key = productLine.toString() + category +
                   new SimpleDateFormat("yyyyMMdd").format(new Date());
        this.target = DistributeTarget.of(target);
        this.rule = rule;
    }
}
